package com.fbli.service;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.authority.AuthorityUtils;
import org.springframework.security.core.userdetails.User;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.stereotype.Service;

@Service
public class UserServiceImpl implements UserDetailsService {
    @Autowired
    private PasswordEncoder pw;

    @Override
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
        //1.根据用户名查询数据库
        if (!"admin".equals(username)){
            throw  new UsernameNotFoundException("用户名或密码错误");
        }
        //2.根据查询的对象比较密码
        String password=pw.encode("123456");
        //3.返回用户对象
        return new User("admin",password, AuthorityUtils.commaSeparatedStringToAuthorityList("admin,normal,ROLE_abc,/main.html"));
    }
}
